Organizations like this are always, always dysfunctional at the leadership level.
ICs don't design the UX or choose the technology for Microsoft teams, senior principal architects and deputy vice president corporate usabilities do.
The Vice President in charge of this is allowing their directors to engage in ridiculous design by committee.
It is an absolute nightmare. A terrible place to work for anyone who has a spine, ambition, and sense of pride.
Laziness seeps in from the top down.
They can launch half-baked offerings bundled into 365 like Teams that are just good enough to stop people buying the competing product and have 100m users instantly. It's remarkable how bad things like SharePoint and OneDrive are and yet they likely have more users than 99% of B2B applications.
Besides, full of MS products that work well, see VS and VS Code, .NET, PowerShell, and so on.