As I've mentioned before, if you are coming from a regional ALPA airline, it is a completely different animal from legacy airline ALPA. Night and day different. Always been that way. That's a common mistake most regional pilots make when talking about ALPA.
ALPA will always ensure that the legacy pilot career remains at the top of the professional ladder -that's their job and it must be that way, since that's the flow of an airline pilot career.