Support - this terrorist organisation calls itself the Islamic State. Nowhere else on Wikipedia is it even allowed to call something other than what it now calls itself.
Oppose a move to bald "Islamic State" without a qualifier. It's indeed becoming more common to see them characterised as "Islamic State", but less so without some sort of heavy lampshading. "The Islamic State militant group" (Guardian), "The Islamic State (Terrorist Organization)" (Rand Corporation), "Islamic State, also known as [various formulisms]"
The actual maniac Mark Bernstein at Wikipedia actually wanted to rename "Gamergate controversy" to something like "Gamergate (terrorist organisation)" too, and already in like 2015.
From https://en.wikipedia.org/wiki/Talk:Islamic_State/Archive_43 after almost a decade and many failed attempts to rename their "ISIL". (In 2015 they even made a "moratorium on proposals" because they've had "enough of them already".)
The actual maniac Mark Bernstein at Wikipedia actually wanted to rename "Gamergate controversy" to something like "Gamergate (terrorist organisation)" too, and already in like 2015.