It says

Mozilla will collect light data on usage, such as how frequently people use the feature overall,

That says to me they want to know (among other things) how many browser users make zero use of the AI feature. To acquire that info, they have to collect it. You have to assume the worst when you see phrasing like that.

They use the term telemetry in a special way. If they are collecting info from users, that is telemetry under a different name, ok fine. Not collecting info means they receive 0 bits.

It says they’re going to collect usage data. Nothing about opting out.

So phone-home telemetry that you can’t opt out of. The ghost of Mitchell Baker will haunt us forever.

EBFO? Eat a bat and find out.

Yes but it’s a dangerous process. You should use paramatrized queries instead.

/me changes name to '); DROP TABLE STUDENTS; --.