It really depends on the mods. Stock Minecraft and even many mods would run fine on a potato, but some of the bigger mods actually require quite a bit of CPU/overhead.
There are also various mods that require certain (older) versions of Java etc to run, and those versions of Java may have known security issues.
Google also seems to pad their library with stuff uploaded to YouTube, which I’m pretty sure includes stuff not uploaded by authorized individuals.
Music streaming services are crooked AF