

We are heading into a period with severe labor shortages as the elderly retire. Who will take care of the elderly? Who will handle be their doctors/nurses? This is not a problem that can be solved with money unfortunately. You need to either relax migration rules so foreigners take these jobs (very unpopular atm) or increase the retirement age.
The establishment pushing against him is a good thing. Think about what happened the first time Trump announced his candidacy. Voters love to vote for candidates that the establishment hates.