Never been influenced by Youtube influncers (though I think Youtube is great) and I've never ticked a tock. But it's beyond me why FF is preferable to any other format for vlogging? Of course, I'm not the one to ask because I rarely shoot video on anything other than with my phone (and don't vloggers use them too?)
Anyway, when I seriously got into digital photography I started with Olympus (because that's how I ended with film) but in the four/thirds days. E-420, E-510,E-3, E-30, E-620. I still shoot occasionally with an E-1. ( I also had a Panny L1 because it was so good looking - yeah, that's a thing with me) But then I moved over to APS-C (because of four/thirds low light noise), shooting with a number of different Canon models (the 40D was my favorite) but then, finally, jumped into the (used) full frame market - 5D, then 5DII then 6D, which I'm going to sell because MFT just does SO much more for me. My E-M1 MKIII has most of the features mentioned in the above article (and I can't see a need for nearly half of what it does have), Decent weather sealing is a must for me (the E-1 and E-3 spoiled me) as is decent focus peaking (I've lots of legacy glass) but I've really come to love the built in ND filters and the focus stacking. Plus PRO lenses are much more affordable, and better, I think, than Canon L lenses. Can't speak for Nikon or Sony but Fuji can be pretty steep too.
So, I personally hope MFT is not dead. But then I hope trucks and SUVs don't replace sedans and coups and wagons.