Given that the best minds of this generation are working on making advertising more efficient, would it be surprising that such information would help Facebook?

2. I If you want my purchase history, you can subpoena a bank for it. Whereas I wouldn't be surprised with "App Permissions" to allow to view 'previous purchases'. 90% of people wouldn't know/care.

3. I don't want, nor need every account under the sun hooked up to a SPOF. In this case, it's Fb. That also applies to Google as well.

4. "If you're not paying, you're the product." adage applies. If you want my banking details, you can bloody pay me for that.

5. And, you need not apply if you're: transgender, gay, member of Antifa, or other groups Facebook is discriminating against or has active people causing "reporting storms" to disconnect you from your account. Read about "God" page recently disabled over a "quit funding war and start finding social services" comment. That earned them a 30 day ban, most likely automated.

Because, reading comprehension is fundamental. You might want to watch a Youtube video about it....