Sure, there were police association stickers, you could get them ostensibly by donating to and supporting supposedly underpaid cops. But the blue line US flag was designed in 2014 to oppose protesters and for white supremacists to self identify.
Even the term “thin blue line” has changed meaning since the 70s when it began to stand for cops keeping quiet to protect each other. There’s a documentary from the 80s about it.
Those stickers were never about that.
Sure, there were police association stickers, you could get them ostensibly by donating to and supporting supposedly underpaid cops. But the blue line US flag was designed in 2014 to oppose protesters and for white supremacists to self identify.
Even the term “thin blue line” has changed meaning since the 70s when it began to stand for cops keeping quiet to protect each other. There’s a documentary from the 80s about it.