Much as you might not like to hear it, Adding workshop now would be
incredibly dumb. It would mean the moment A20 hits, 100% of the mods would be unusable, And of those maybe 30% would update in anything similar to a timely manner. Then A20.1 would hit and ruin a bunch of mod; Then A20.2 would hit and ruin a bunch of mods- A20.3, A20.4, Then A21 would hit and ruin 100% of the mods again.
By the time we hit release, 95% of the workshop would be old broken mods that break the game when used, with no good way to filter out what does or doesnt work on the user end.
Just, No. It's best practice to wait until the game is fully released and the underbelly is not changing significantly with every update, so that when workshop is implemented, it actually functions as an easy way to install mods and get them working instead of being a frustrating mess.
...Also, Adding workshop would not let modders get any more hold of the game than they already have...
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