We've always hired a manager who was available or could be got without too much trouble. That hasn't changed.
Moyes - the chosen one. He had to resign from Everton to join us. He was so bad, we fired him 10 months later.
LVG - He joined with a big reputation having managed big clubs and also a national team.
Jose - serial winner. Our last trophies were won under him.
Ole - He joined with a very poor reputation as a manager and he had to resign from his current job to join us. He was an unmitigated disaster and has left us in a seriously bad place.
ETH - has had to join us by resigning from his current position (just as Ole and Moyes did, before). He has no reputation for managing a big club or dealing with big players.
Reading that, I would say that ETH does not feel different and we got a manager who could be had without too much trouble (which is usually the case with all clubs).
The worrying thing is that fans are putting huge expectations on ETH - a man who has never managed at this level before and a squad which is in disarray. Some of the posts I've read on this forum are downright delusional. Some are expecting him to improve every single player in our squad and turn us into a well drilled machine within 2 years. In this thread I have read posts suggesting that we are 2 players away from being a great team. Realistically, I expect him to drag us up the table into top 4 in year 2 or 3, then get fired the following year.
I know that it's been bad this season, but guys, just be realistic and manage your expectations with ETH. Unless he is a Moyes style disaster, go easy on him and be realistic with what you expect of him.