First, some other people do.
Second, these kinds of comments don't elevate the conversation. They do nothing other than provide the people that may want to use these products or may have to use these products a really bad first impression of the Linux community.
This kind of attitude is extremely off putting. It is desirable to have companies such as Microsoft and Google providing open-source software to Linux users because it can increase adoption and allow companies considering a switch to an open-source model or running Linux as an OS to do so.
Businesses will not be able to make that switch without having access to tools such as the Edge Browser, Visual Studio, etc. Individuals won't want to make that switch without having access to things like Spotify, Google Photos, etc. Imagine how many more individuals would adopt our platform if there were a Linux version of software such as Adobe Creative Cloud or Microsoft Office?
I am an open-source activist and political organizer. I've already made these comments at length in the Microsoft-Edge-Linux Flatpak forum post. I canceled my Microsoft Office 365 account last month. I run a version of Nextcloud to keep all of my data private. I suggest everyone switch to services such as LibreOffice, GIMP/Inkscape/Blender, & Signal App and ending their use of proprietary software and platforms that actively sell your data.
Do I use Microsoft Edge? No.
Do I actively support Big Tech designing Linux products in order to assist in increased Linux adoption? Yes.
I get where you two are coming from. Seriously, I do. However, without a full fledged open-source/Linux ecosystem (mass adoption of Linux phones & laptops, private clouds, etc) the best tool at our disposal is gaining access to official Linux releases of software like this in order to make the switch to Linux easier for people who may not want to learn command line anything but would make the switch if the programs they needed were available and the OS they used were simple to learn, secure and reliable.