50 and still an active working professional -Kya picture abhi baaki hai ?

All professionals go thru this dilemma when they are nearing 50 . They are actually wiser and more experienced but it has become a taboo that if you are touching 50 and aren’t already a business leader then you have lost the plot . Your current organisation does not value you and feels age is a barrier to growth . And external companies who are hiring want younger leaders . So experienced people who have seen various ups and downs , weathered so many storms and have the deep rooted knowledge and experience … what do they do ahead ? Everybody does not have money to open their own startup . People say do a course , enhance your skill sets . After that what ? Can somebody share sites or forums or groups where such high experience guys can try for jobs . Because for many many of them “ picture abhi baaki hai dost “