> Unfortunately, online communication - typically the channel preferred by FOSS projects - has much lower bandwidth than teams working full time in an office. Thus limiting the "depth" of collaboration.
Source on this? There are tons of collaborative, 100% remote companies out there (and they release open source software). I think your assertion may be more the folks aren't as dedicated to open source as contributing is a part time or hobby thing.
I often submit minor bug fixes or features to fairly popular projects, and as an outside contributor the communication can be very async. It's typically limited to GitHub PR/issue discussions, and sometimes the latency is measured in weeks/months.
I think it's probably quite different if you're a "core contributor" and likely using additional channels like slack and scheduled meetings, more akin to a company operating.
Source on this? There are tons of collaborative, 100% remote companies out there (and they release open source software). I think your assertion may be more the folks aren't as dedicated to open source as contributing is a part time or hobby thing.