I can’t decide if he is brilliant or a total goof…or both. There is a certain “stream of consciousness” to his commentary that I admire…but some of the stuff that comes out of his mouth leaves me 
GCN+ for me. I’ve stopped my eurosport player sub now GCN have the firetv app (and it’s proved stable, if a little slow). I’m in Ireland though, so haven’t really hit content restrictions.
I haven’t watched too many of the documentaries, as hard enough to catch up on races most of the time. My only irritation is sometimes they don’t have highlights, it’s just a re-run of the full stage (may have been Tirreno, or Paris Nice, or both (I can’t remember!))