Is leica m a good system to buy into?

Here is what the site says about that.

From OM System M.Zuiko 40-150mm f/4 PRO: OM System M.Zuiko 40-150mm f/4 PRO: A zoom lens by OM System for Micro Four Thirds cameras, 40-150mm f/4.

From OM System M.Zuiko 20mm f/1.4 PRO: OM System M.Zuiko 20mm f/1.4 PRO: A prime lens by OM System for Micro Four Thirds cameras, 20mm f/1.4.

Quoted from this site's pages.