A small niche market. Even for Leica M11 Monochrom at USD$9,195.
Pentax Monochrom may be much cheaper. Good news for Pentax users.
Those who can perceive the difference may buy it.
Those who cannot just use their colour digital ILC and convert to B+W.
Or choose to take B+W photos on their colour digital ILC. Olympus Pan F has a dial to pick Mono.
Leica M losing rangefinder alignment is a red herring.
It is not a sound reason to explain why Pentax is making a Monochrom.
Leica M3 introduced in 1954.
An interview with Andreas Kaufmann says Leica sells about 100,000 per year.
If 70% of those are M bodies.
That is 4.83 Million bodies. From 1954 to 2023.
If it is true that M bodies easily go out of alignment and need to send to Leica factory to reset.
Then they will be very busy 24/7/365.
Which tells you how nonsensical is the reason given.