That meme inspired me to do some poking around:
• For the entire time span from '93 up to 2011, a total of 23 cards were banned in standard. No cards were banned 2011-2016.
• During/after Urza's Saga, the most broken block ever made, 10 cards got banned in standard.
• In 2017-2020, there have been 20 cards that have been banned in Standard.