Your career player's "bounce" skill/rating only affects balls you bowl using the bounce modifier in game (X on Xbox), so whatever the equivalent is for your platform. It doesn't apply to every ball you bowl. Maxing it out & using it sparingly can pick up extra wickets but sometimes it can work against you too like everything else.
The slider that adjusts a spinners bounce also only modifies the bounce they get when using the bounce modifier, not every ball.
Happy to be corrected but I've never seen it do much else & I've bowled A LOT of leg spin lol
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On harder pitches yes, you will frequently see fuller deliveries bouncing clean over the stumps, even more so if you bowl deliveries with extra bounce, flight, or the effort ball. (Obviously, these are the same issues a real life spinner faces on harder pitches too & has to experiment in other ways to entrap batsmen into a poor shot knowing that most deliveries won't hit the stumps but it should bring close catching more into the game instead of straight bowled which is something BA keep struggling to implement without it having other knock on effects.). Avoid top spin on harder pitches too & use the slider straight ball instead, use top spin on softer pitches where the extra bounce can sometimes help too.
The reason it's a bit of an issue in C 19 & C 22 is the AI insists on utterly over using that damned back foot cut shot or the back foot hook to spin, even to back of full, full or extra full deliveries on hard pitches which is completely inappropriate & unrealistic given the other shots the AI could still employ instead to the same fuller deliveries.
It's a shame, as in C 19 that lofted back foot cut to spin was often one of my favourite shots to play to very tall spinners on medium pitches or average height spinners on a hard wicket, it's fun & needs to be ideally timed for effect or to avoid slapping the ball straight into the keepers gloves or straight to a slip if aiming it well behind square. But in the earlier C19 patches the AI didn't play that shot anywhere near as much & it would often choose a more realistic or orthodox shot. Worse still, with BA's apparent ease of literally ripping & copy/pasting their own code from older games into new ones instead of implementing new code when switching to an entirely new engine, it can also directly transfer the same old problems over too.
If BA could simply apply a percentage restriction on the chances of the AI using a certain shot before it goes through a random number generator etc., we may see the AI use that lofted back foot cut far less & then the extra bounce from the harder pitches wouldn't be hated or dreaded as much. BUT, as long as run rates or results continue to be prescribed too rather than truly allowing random number generators to handle everything, the AI will simply employ other shots instead that then became equally bloody annoying from perfect deliveries
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Other workarounds, use soft/medium pitches for any dry or dusty wickets, or medium for the other pitch types, or grassy hard isn't too bad but less turn to dusty etc.. Set your career player height to 5' 7" but prepare to take extra run outs from your drastically lowered running speed
. (Or, adjust your height at the start of each game which I've always found a ridiculous thing for BA to leave as adjustable for obvious reasons
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I just play the hard pitches with all sliders at default in the longer format, accept that my economy may take a small increase in some natches but otherwise persist with good areas & let the AI make the mistake of chopping on or nicking. Shorter format, it's scripted anyway to a degree, so get creative with widely variable lines & lengths to stop the AI getting easy bonuses. Sometimes it also pays to bowl a good/good delivery or deliberately bowl a weak delivery rather than perfect/perfect, but adjust your line to counter & watch the batsman play the completely wrong line or shot too
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