The article you linked is specifically about latency. There are other factors that contribute to overall terminal experience such as high frame rate and high throughput. Once latency reaches a "good enough" level, it becomes a non issue, and frame rate and throughput remain. Alacritty excels in those areas (there's even a table in that article demonstrating Alacritty's high throughput).

There is also a plan[1] for making Alacritty's latency best-in-class.

[1]: https://github.com/jwilm/alacritty/issues/673

I haven't gone through the whole link yet, but the part where they make video game comparisons doesn't make sense. They say

> When people measure actual end-to-end latency for games on normal computer setups, they usually find latencies in the 100ms range.

And in that very sentence link to a latency test for a game that is notorious for being laggy, and even then it reaches 59.4ms latency. The same video they link, even says (at 1:32) that Overwatch has a button-to-pixel-change latency of about 15 ms! So where is this "usually 100ms" coming from?

Just because of this I don't really trust the rest of the article.