Linux came a long way since then. For projects like this, Zorin would be a great way to start. But even a standard desktop like Mint would already be a very good starting point.
Don't forget that LTT is has two things that are not relevant for administration work: they try to game (which heavily influences their OS choice) and they need to figure out everything themselves. These cities can offer curated packages, the user does not have to figure out which package to use for what, the IT team provides them.
With those two things in mind, the LTT story shows exactly that this can actually work, provided there is support for the rough edges. Windows also has rough edges by the way.
Don't forget that LTT is has two things that are not relevant for administration work: they try to game (which heavily influences their OS choice) and they need to figure out everything themselves. These cities can offer curated packages, the user does not have to figure out which package to use for what, the IT team provides them.
With those two things in mind, the LTT story shows exactly that this can actually work, provided there is support for the rough edges. Windows also has rough edges by the way.