Agreed. Age has less to so with it than the tech worker's self identity, which is that they know better than everybody else--including the government. It's a common belief among people with IQs between average and genius, if a bit sophomoric.
Even IF the use of that force would be to prevent me from making a bad choice, it's still wrong. Outside of economic arguments which are largely rooted in the Austrian School, that is the mindset that defines Libertarianism.
Now, as it happens, I will argue that, in many, many case, I do "know better", regarding things that pertain spefically to me. And that may be a bit of conceit, and that conceit is probably common to many Libertarians and is probably the essence of your statement above. But I would be a Libertarian whether or not that was the case.