"You don't need to allow firefox to install and run studies, that's just a way of letting firefox automatically install this xpi." In that case I am wondering

"You don't need to allow firefox to install and run studies, that's just a way of letting firefox automatically install this xpi." In that case I am wondering why Mozila didn't provide a direct link...it would have been faster. Maybe there is another reason to ask us to run studies...wondering.