As I eluded to earlier. Elon Musk is successfully, conflicting my sense of evaluating the viability of potential business ideas/inventions and people character assessments (hence me putting the ??'s in the title, as I'm just not 100% sure, how things will turn out).
On the one hand, I see many of their proposed business ideas/inventions, as being ill-advised and widely over stated. Examples are cheap fairs to soon to be available trips to Mars. Hyperloop travel between, distant places, typically within the US, at low cost, and very fast travel times.
They seem to say (what some think of as) rather significant nonsense, at times. Many other examples exist (e.g. See the many Thunderf00t videos, debunking Elon related things).
Yet they show various significant signs of success, in some of their ventures (as previously said by me), SpaceX, Tesla Cars and things, such as being the richest man in the world.
But also, the current rumors about twitter. Are sounding much more like a pack of wild/angry bulls, entering a large shop, full of expensive stands, with extensive highly fragile glassware on weak high stands. Than an extremely professional, very high quality, brilliant businessman, running a business, they freshly acquired.
I.e. Massive Train Wreck vs A great new era in Twitter.
Yet, they (Elon) seems to have a significant band of (cult like), followers, who don't seem to think Elon can do any wrong. They also seem to give the impression, that everything Elon touches, turns into valuable Gold (conceptually speaking).