@Aaron. even "on par" or "as good as" is a stretch. The numbers you posted might seem small, but:
- 5-7% more first serves made over the course of a near 30-year career is a huge difference; it's more than just the absolute value of the difference between the two
- There's also no adjustment or compensation for the competition and quality of players
- 3-4% more points won on first serve is, again, a huge difference across the span of a whole career. If you did a plotting of all Slam champions in terms of 1st serve conversion and adjusted someone to the right 3-4%, that could mean a totally different career. We're talking Slams - with an 's'
- Again with the 2nd serve statistics, we're not talking about the quality of opponents or the context. Very few aces or points outright are won with the second serve alone. Serena typically only played big events and against top players comparatively vs. Rybakina's much shorter career. ~52% for both is not equivalent.
- Finally, 3-4% on total service points won can mean the difference in a lot of individual match wins and/or tournament wins. The volume over the course of years, decades is significant. These numbers you posted in that thread don't really support your argument to someone with even a tenuous grasps of statistics.
We love and accept your penchant to overexaggerate and react too early to things by inflating players' abilities (Swiatek is your latest blunder), but don't be obtuse.