The 2020 dev run is way chunkier than the individual Seasonal deliveries though, we can assume. It seems to be as big as the launch run.Your mention of Multicrew highlights how FD can throw development into questionable outcomes at times (eg CQC?). And even the latest new mining, basically with a clean slate to work with, is basically half baked and not working very smoothly.
We're 5yr into this game, and in truth precious little depth has been added to the mechanics... And space legs will do little more than allow FD to offer a whole new coal face with half baked shallow mechanics to work it with.
So I guess the question is: How half-baked did you find the launch title
(Worth noting that a Legs DLC would likely stack with Multicrew incidentally. So there's that )