Not really. By "putting up a benchmark" I mean an objective and verifiable standard set of performance tests that everyone interested can contribute their best effort.
I means nothing if you roll out a cherry-picked ad-hoc test that compares a corner case of your best effort to a half-assed underperforming implementation of a competitor you chose because it suits you best.
There are standard benchmarks out there, which were already mentioned in this discussion. It takes virtually no effort to roll out Tamagui's best effort. Not using those actually requires more effort than using them, which casts doubt over the validity of self-serving cherry-picked ad-hoc tests.