i mean there's a bajillion ways to solve for this. They could follow Adobe's example and make a more streamlined version of each for touch and work to add features back in. Akin to what they did with photos when they deprecated iPhotos or what they did with their productivity suite (word, powerpoint, excel forgot their names for it).There are tons of tiny fiddly bits in FCP that will need reworking for touch. While they COULD release it on iPad, I don’t think they will without it being touch centric.
My entire point is for a company as big as apple, do you really think they couldn't have solved for this if they prioritized it?