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Changes between Initial Version and Version 1 of Ticket #7176, comment 10

initial	v1
18	18
19	19	* Make every user a "Subscriber" to every site
20		* Re-init caps for the root-site on every `switch_to_blog()` to check our own capability mapping to `read` on root
	20	* Re-init caps for the root-site on every `switch_to_blog()` to check our own capability mapping to `read` on root. We can do this with a few `bp_current_user_can()` checks here-or-there (like we do now), but switching back and forth hundreds of times per page-load should be avoided for things like reads.
21	21
22	22	> For this reason, I think we should keep the concept of Roles, even if we decide not to use the full-fledged, stored-in-the-database version that WP has