The g looks like "Trebuchet MS" ugh. A traditional g would've been awesome.

Fira is based on FF Meta, by Spiekermann. Trebuchet is an imitation of FF Meta.

https://blog.tilton.co/2013-08-01-fira-feura-typeface-from-m...

Overall I find it very reminiscent of Trebuchet, but I happen to like both fonts.

Also, the l and the g are similar to Trebuchet too.

For me I wish more fonts made a clear distinction between 0 (number) and O (Letter), I, l, and 1, 5's and S's, and B and 8. Instead it seems to always be about a's and g's.