Nope. I am 51 and headed to retirement very soon. I joined AARP for one reason only: their militant defense of social security. I know that it all other matters AARP actually works against their own members.
I'm 66, retired and will never join AARP for one reason only: their militant cheerleading for all things DNC. Really bad during Obama years, which we are once again under.
A system which, as the article points out, is doomed by demographics. That which cannot continue will not continue. You will maybe get a benefit, but your grandchildren, assuming you have any, will curse your memory.
If you did not have kids then you will retire on the backs of other people's kids. If you did not have kids then you should have been able to retire nicely on the money you did not spend raising kids.