What do blue flowers mean in the purge?

Online Answer
Those who opt out of the annual carnage festival place blue flowers by their doors, indicating they "support" the purge. The message is that while they may not personally wreak havoc, they're fine with other people doing so. Some have "purge parties.
Related Questions 📌
FACT: Research has shown that vomiting cannot get rid of all the calories ingested, even when done immediately after eating. A vomit can only remove up to about half of the calories eaten - which means that, realistically, between half to two thirds of what is eaten is absorbed by the body.
Those who opt out of the annual carnage festival place blue flowers by their doors, indicating they "support" the purge. The message is that while they may not personally wreak havoc, they're fine with other people doing so. Some have "purge parties.