Forgive me for sounding cynical but I'm going to play Devil' Advocate and ask: Are they well run, or opportunistic?
In an area hit by disaster any mom & pops are likely going to be slower to reopen. They have to wait for the insurance company. They have to worry about the homes and family. Etc.
WH on the other hand can finance themselves while they wait for the insurance cheque. The out of town employees don't have local home and local family worries. Etc.
WH might be well run. But they might also simply be in the best position to rise to the top in disaster areas.