Domestic air travel in the US is nearly back to pre-pandemic levels (and, as noted above, the US is so large that there is a lot of domestic air travel). So it's to be somewhat expected that there will be more issues here.
There also needs to be a bit more 'give and take' with regard to the masking rules. I was on a flight several months ago where I was reprimanded by a flight attendant for not getting my mask back on fast enough after taking a drink of my beer which was quite irritating and I felt excessive given I was just about to take another drink...