I like how the post ends with "I only intended to say a bit but damn" as if there's a lot being said.
Complaining about pre-patch having nothing to do but level alts, but at the same time complaining that we couldn't play for a few days because of typical new patch issues. Guaranteed the outcry would be a lot worse if there was new content people couldn't play because of the queues and bugs, and guaranteed it'd be worse if this all released within a couple weeks of the expansion as would normally have been the case when there's even less time to iron things out before the new expansion hits.
Until then, use the time to level any alts you want through the new system, or just get used to how your class plays, or get your final set up for Shadowlands done. If that doesn't appeal, take a break before the expansion. You'll probably enjoy it more.