They've had plenty of opportunity to do this and haven't, so would find it incredibly unlikely they would magically start to have a problem now
Not to mention doing would basically kill game as one of the biggest reason people even still play Minecraft is the modding scene, not the minimum viable effort that have been the official updates for last number of years.
don't think they could do it previously because the code is not open and any names are a result of deobfuscation so clashes are accidental