While I won't bother checking out message board posts from 5 years ago

... when the Steelers parted ways with Porter, they tried briefly to trade him, then wound up actually releasing him for a couple of reasons, primary being cap room considerations. So he didn't just hit FA and go looking for the highest offer, they pushed him out the door. Hard to hold it against a guy for being released. I don't remember a lot of people in this area slamming Jamie Sharper for getting himself released during the "cap purge" period... the majority opinion was basically, "bummer we have to lose him, he's a good player". And he didn't sign with a close rival, so there was none of that to consider either.
I certainly do remember a lot of rumbling in the late 90s / early 00s in Steeler-land when a high-profile player would go elsewhere, and they always fell short of another ring despite a lot of good teams / good records. There was always bitterness at the guys who left, and there was complaining about the Steelers F.O. not "spending" enough to keep their best players. Now that they've won a couple rings again in the last 7 years, the "not spending" route is lauded as the right way to go, while teams like the Cowboys and Redskins spend and routinely don't even make the playoffs. Whatever works...
Roberto Alomar was public enemy number one in Cleveland around the '96 timeframe. A few years later he was adored while wearing an Indians uniform. Clemens was hated in NY and loved in BOS when he was with the Red Sox. He was hated in BOS when he left to sign a mega-deal with the Blue Jays. Then he was hated in BOS and loved in NY when he was with the Yankees. Now he's hated most everywhere.
I'll let it go here. Agree to disagree, but I don't think there's any difference at all in the fan's mindset from one market to another...