More in-depth comment not being on the fly: 

obvs the boomer class warfare is a little facetious. Re: the role of the elderly and keeping people along for no good reason, less so. 

We've lost generational purpose in most of the West, especially and particularly under welfare states with individualistic provision of care. Without purpose and benefit to society, a lot of boomers are/will be like this: existing in a questionable state, with nobody to care for them, and no obvious purpose to fulfill.  

Maintaining them alive costs resources: We spend the majority of healthcare spending in the last six months of (already pretty elderly) people's lives. The upside is very minor, very symbolic, and in this case (not knowing the exact deets of course) not at all.