Roblox "tries" to be legal, and that's why things like DMCA's can take down titles. However, you can also file counters, should you want.

Roblox has literally legions of games to play, ... You see, a lawyer over at Market Screener has explained how you can file a DMCA to try and get the content taken down.

In response to an ongoing DMCA copyright infringement lawsuit involving several popular Roblox games, Roblox's legal team objected to a court order that would compel the company to disclose the ...

The DMCA games are currently unavailable and won't appear in the search interface. Additionally, the IPs used by most anime titles, even if they are similar to the original franchise, aren't ...

Roblox Inc., the company behind mega-hit games platform Roblox, objected to a court order that compelled it to provide information on over 400,000 users. The order sprang from a DMCA copyright ...