As someone who supports the idea of financially supporting modders for their efforts, let me present to you a dystopian vision of THE FUTURE under Bethesda.
Sure, with Fallout 4 and Skyrim SE, it'll start innocent. Just simple mini-DLC stuff. Perhaps some overpriced garbage here and there, but generally OK.
Now let's fast forward to Starfield. Hmm, let's say the UI is like Skyrim's or worse - But thankfully, Creator's Club has a solution! StarUI, only $9.99! That right there is very much a situation Bethesda would be setting up to directly nickel and dime for a basic feature the $60 package should have - a functional UI. Now let's go further - Starfield Script Extender, every essential you need for modding Starfield further than basic content mods, only on Creator's Club at the low price of $4.99!
See the problem here? If Bethesda gets the right people on board, they can set themselves up to ship an incomplete game and make additional do$h off getting people to buy essential elements of the game piecemeal under the guise of "supporting modders".
We can go even further. Say, their next title after Starfield ships with little/no sidequests. Or without other essentials in the $60 package. All set up for Bethesda to sell them to you for more money as "mods" in a fashion similar to Paradox DLCs.
Concerned Yet?