We didn't roll over on the pensions issue. NAPS was seriously underfunded. A FSS pension was retained. A working compromise was reached.
If anyone needs to know why pilots will strike over the significant threat to our future careers that a divided pilot workforce represents, have a look at
http://www.baplane-bapilot.org
If, after reading that, you still believe that there is no requirement for a common seniority list, then you must be, to use a clinical term, as thick as two short planks.
ATB