The only reasons they would be aware of this to sue you would be if you or someone else told them. The likelihood of that is pretty much nil unless you do something that is illegal (like selling ripped media), in which case they’re more likely to just come after you for that.
“Probably” being the operative word there. The MPAA could still sue you into third world poverty to prove a point even if you end up winning the case.
The only reasons they would be aware of this to sue you would be if you or someone else told them. The likelihood of that is pretty much nil unless you do something that is illegal (like selling ripped media), in which case they’re more likely to just come after you for that.