Absolutely. Learning to (legally or via backups) unlocks the greatest console library ever made on modern hardware.

: Highly recommended for its clean interface and specialized focus on retro ROMs, including various localized versions.

There are several reasons why gamers might want to download PS2 games:

If you want to play your favorites on a PC or modern hardware, the best approach is to create your own digital backups: How to Play PS2 Games on PC [PCSX2 Emulator]

For a generation raised on .zip and .rar files, this seemed plausible. We knew text files compressed well; why not games?