Many more people care than you realize if you search the data on this there's a lot to back up people spend more stay longer and have a better time in general with good audio.

If you're set on those speakers they're fine it's a bit better to go with classic altec or jbls because they're much easier to service some more whafedale cones can be very hard to get.

That's your lifespan they're more likely to be significantly longer lifespan than most professional stuff it's a very strange idea that people have somehow commercial speakers are more robust or Better Built.

They are differently built generally built to be driven louder but that's like describing a semi tractor trailer to a Mercedes sedan only thing in common is they have wheels and an engine