Yes, entirely a public service. My secondary gain is that doing these tasks is a good diversion from my career that can be intense. Some readers actually benefit from having information they did not know before, allowing them to make informed decisions on a stock.
A win / win for some readers and me.
Or, pass on the information.....the wonder of having a choice.
To bite the worm of incite is to bite the HOOK of the antagonist . They win .