https://news.ycombinator.com/item?id=50063676
Honestly it is probably not bad for Mozilla to start such a business, but I have the feeling that it is not in the spirit of "open source"/"freedom for users" Mozilla that we used to have before an Uber exec became in charge.
Now it is like any other startup, and it is possible that in a few years you have features that you will only find in the "entreprise" edition, and that the entreprise edition is distributed in binary only because of "security reason" to protect "entreprise" features.
What is funny is that everyone forgot, but at some point in time, there was the CCK for Netscape and then Mozilla Firefox, allowing to create a standalone installation of the browser that was customized to your preferences as a company or organisation or anything. Your choice of default settings, search engine, background color, plugins, ...
And people were worried the same as what we can expect today that it might give tools to companies to "restrict" their users: https://lwn.net/Articles/182904/