Are you giving both of these YE#1's an asterisk?
No, not at all, or at least not 2025. 2022? Sure - that is pretty asterisk-worthy.
But the good thing about YE #1 is that it doesn't lie. Or, at least, the winner always had a really good year and was inarguably among the best players on tour.
I haven't done the math, but I'm guessing 90% or so of #1s are pretty uncontroversial. Of the remaining 10%, it is a spectrum of a "bit to very" questionable. 2025 is only a bit, while 2022 is very.
Plus, there's the matter of
why Alcaraz earned #1 this year. He played 4 more tournaments than Jannik, two of which were Masters and two were ATP 500s...that's 3000 possible points, and the gap was only 550. Meaning, just one extra Masters final (or a Masters SF and 500 final, etc) and Jannik would have been #1.
But whether that is irking or not depends upon how one views Jannik's ban. If one thinks it was deserved or too short, this isn't an issue. If not, then it puts the ranking into a question, at least a little bit.
Actually, the difference between the two is similar to Roger and Rafa in 2017. Rafa finished 1040 points ahead but played 6 more events, including a Slam and four more Masters. Roger could have played half of those and probably been #1 rather easily. But in that case, it was Roger's choice: he skipped clay season entirely, as well as Paris, though was hurt for Cincy, if I remember correctly. Meaning, it is a similar dynamic in terms of quantity winning out over quality, but Jannik was due to being banned, Roger by choice (mostly). Even as a Roger fan, I don't mind Rafa being #1 in 2017 because he earned it the hard way: by showing up and playing enough really good tennis to earn the points.
2022 was quite a bit worse, imo. Alcaraz was 2000 points ahead of Novak, who lost all 2000 Wimbledon points because of the ATP throwing a fit about Wimbledon allowing Russians and Belarusians--as if the players have anything to do with the Ukraine war. So dumb. To add to that, Novak didn't play AO or the USO due to stupid Covid policies. Nadal's injuries are also a factor, but not as egregious. The point being, Alcaraz was the third best player in 2022, yet was YE #1. In 2025, even if Sinner was slightly better "pound for pound," Carlos made up for it by beating him in two Slam finals.