It has the weakest hardware of its generation. During those years you had the Sega Dreamcast, Microsoft Xbox and Nintendo Gamecube. All this consoles had a more powerful hardware than the Sony Playstation 2
Doesn’t matter. In a few years what will be considered modern will no longer run this game unless the game is updated to just say “yup the game works here too”
Mobile OSes make breaking the knees of legacy support a sport they are champions at
It’s not GOG that does that. A lot of developers that publish there having lost the source code or the tools and knowledge to build it upload cracked or patched releases themselves. And it’s not a GOG thing either, as for example Sam & Max: Hit the Road is just the cracked DOS game bundled inside a ScummVM runner on both Steam and GOG releases.