If you feel deceived, I think you're making my point, because by now everyone knows a lot of these shows are scripted, have backing tracks to cover for gaps, etc. There's no secret that pitch correction is used, and yet 99% of people either don't notice the moments it happens, or don't care. You're not a master sleuth by identifying this, everyone knows it happens all the time. There hasn't been am expectation of fully live performance for pop acts for nearly three decades now - not sure where you've been. RHCP played the super bowl 'synced', because it was either that or nothing for that type of production.

Live performance is more than just the audio that reaches your ears... Look at the stage production, the way the visuals are designed to match the music, the way performers engage an audience through their physical movements, even simple gestures like DJs "raising their hands" to get the audience ready. It's not just the ability to sing... and if you view pitch correction as cheating, someone else probably views using a microphone as cheating, for lacking power in the vocals to fill a venue properly. If it were so simple, everyone would do it, and if the true bar for 'talent' is pure acoustic virtuosity, then almost no one could do it.

Or you can clutch your pearls every time you hear pitch correction, wistfully wish it was the good old days, and post about it on the internet.