Really not cool. Probably justify it by saying it takes a lot of time to process paperwork (that they created the requirement for in the first place...)
Did you know that it also now costs $2350 for someone to renounce their US citizenship?
It also takes an undefined amount of time (typically 12+ months) and they publish your name online on a State Department shame list of ex-Americans.
A decade ago, it was free to renounce your US citizenship. Around 2009 they started charging $450, and then suddenly raised the fee to $2350 in 2014.
Not that it matters to the price/cost of doing it, but what do you think are the most common reasons for forfeiting US citizenship? I suspect it's tax-evasion.
There's a business model! Claim someone is a citizen, boom they owe taxes!