So who knows if this option is going to stick around. The feature seemed to have been silently removed in June 2021, before being silently reinstated again. There’s been some strange activity with the option to open links externally in Facebook lately.
Also, the less data we’re directly feeding to Facebook, the better, right? For a start, it’s clear Facebook isn’t particularly dedicated to making its in-app browser any good any time soon.
The option to open links within the Facebook app in a browser of your choice is a good feature to have.