Not true; just a short list of 'legacies' and 'regionals' for you to sample:
Ever heard of ???? .... Braniff ... Eastern ... PanAm ... Western ... Continental (1) ... TWA ... Hughes ... Southern ... Republic ... Frontier (1) ... AirCal ... PSA ... TexasAir ... National ... Allegheny ... Piedmont ... Midway ... World ... TransAmerica ... People Express ... NYAir ... the list goes on ... and on ... and on ... 1000's of pilots lost their jobs. Many never flew again ...
A taxpayer 'bailout' is a relatively recent thing. Kinder, gentler and all ... bubble-wrap from cradle to grave society -- the NEW AMERICA.