There is no shortage of good reasons to block ads. Passive ads no longer exist, if they ever did. They are all actively exploiting, tracking, and selling you- even if you never interact with them. Some might say, "Stop using twitter", but how is any American supposed to do that when the President of the United States uses it as his platform? Beyond Twitter, there is no shortage of school systems, police departments,…
Blocking ads won't stop your info from being shared during the auction. That's a back end data transfer.
For example, the article mentions they knew about browsing habits but that wouldn't be the case if they couldn't see you.
I suppose it comes down to "we have the data, so let's use it"... we need to stop the mass-gathering in the first place then these "bugs" are meaningless.