Serious free to play apps on my phone can translate most messages to a different language. If i can play some trashy mobile game and understand players from most countries, you can put a built in translator so i can understand the Spanish and Portuguese that you force into look for group.
I understand they are a smaller realm, so they need to cross realm to have some play times, im ok with that, but make it so we can speak to each other. Dungeons and raids require we speak to each other. This has been a problem since wrath, it cant be that hard to fix.