It's true that the US lawsuit was in 2001, but the EU antitrust fine (the discussion subject here) for failing to comply with offering a browsers ballot screen was in 2013[1], merely 11 years ago.
Roughly the same crew still running the show, it didn't slip through their mind, just the $732 million fine wasn't enough to deter them from doing it again
https://en.m.wikipedia.org/wiki/United_States_v._Microsoft_C....