I have been a Leica M user since the early 80s. Leica was expensive, but still affordable.
These days are over, pricing is, in my opinion, no longer justifiable. Reliability use to be a main strength of the Ms, nowadays, broken or stuck ISO selector wheels occur quite often, if you don't handle the M like a raw egg. Not to mention freezing...Lenses: I've had to send in for repair or back to the seller at least 5 newer ones (28mm Asph, Summicron 50mm, Elmarit 35 etc...). The reason was always a loose front lens-tube.
If it weren't for the extreme optical quality of the lenses, I would have left the brand long time ago.
Don't misunderstand me, I still like the M. But I deeply regret it has gone a long way from the M3's quality standards, and I'm no longer ready to accept collector's prices for what it should be, a tool. Nothing else!
A purely digital M, with exclusively manual digital focusing? Not for me, but the collectors will enjoy buying a new toy for their showcase.
The Leica SL system is even a different chapter, selling Panasonic or Sigma lenses as Leicas at sometimes the quadruple price is just insane.