What they are planning really has me worried as a Baldur's Gate fan. It will be perfectly fine with me if they use another title such as Baldur's Gate Online instead of calling it Baldur's Gate 3. It's just simply isn't BG3 as it has no continuation of the Bhaalspawn story and BIG possibility it's not RTwP.
The Bhaalspawn story ended with Murder in Baldur's Gate Pen and Paper adventure that Wizard of the Coast released.