The “14 years” part of the headline is particularly annoying. This thing that happens several times a year will happen the second time this month next week! It’s like a headline about getting three paychecks in a month and how it won’t happen again for six months. Technically true, but it’s still a regular paycheck.
Fresh produce is completely raw, frozen is typically parboiled (very slightly cooked), and canned is completely cooked. Frozen is typically the best balance between freshness and convenience. The only veggies I buy fresh are things I’m going to eat raw, like broccoli for eating with dips.