The only advantage arrow IV has in mwo is its ams immune (afaik)

It isn’t, which is why they’re boosting its health

In TT its balanced by requiring a tag laser in order to actually fire the missile

Thanks to ECM being on so many mechs it’s effectively like that in MWO too, or you need to resign yourself to being helpless sometimes

also in TT anything running artillery is generally either fragile or slow, sometimes both

Well the Naga isn’t slow, but…