That’s not what the parent said. The wired connection itself is better, but it has the tradeoff of physical wear and tear and ports that break.
The most flaky removable thing I've encountered is microSD cards, and I don't know if it's the card or the reader, but they tend to only work half the time. I even check them for authenticity of space, so I don't know why they're so flaky.
Is it easy to source replacement I/O boards for Framework?
But on the original topic, it appears that modern wireless keyboards fare well enough as far as connection and latency[0] to qualify for gaming, so I wonder if your impression about connection reliability could be a bit outdated?
[0] https://www.rtings.com/keyboard/reviews/logitech/g715#test_6...