Originally Posted by JoePatroni

He is mostly correct but not entirely. When the IACP was formed the scabs were allowed in, the thinking was if they were excluded any vote to unionize would fail due to the demographics at the time. When the IACP merged with ALPA the scabs came in the deal, trying to exclude them would have been a labor law violation. ALPA National was a big proponent of the IACP-ALPA merger.