Here are your answers:

1. It isn't all down to Biden, economics is a complex thing. There are a lot of issues around supply chain, transportation, labour that all go into it. I think anyone could be president and the issue would exist;

2. In Canada, marijuana is legal, but to your question, the jsutice system is kinda just fucked;

3. Same reason they don't realize how foolish they look generally. They crave attention, negative, positive, whatever, as long as it's attention;

4. No clue,

5. less than 10 seconds;

6. no;

7. also no;

8. haven't had one;

9. I don't think the two are necessarily mutually exclusive; and

10, Yes, literally yes, LOL

Enjoyed your list, as always. :)