Thanks, missed that. The 170K number is a bit disingenuous as it counts binaries as two systems. And if you want to pretend to count M dwarfs...
The source wasn’t trying to answer the question of how many stable solar systems with planets there are but it was one of the few sites I could find in a simple search that had some answer as to how many stars are within 100 lys of earth. It’s clearly a lot less than “millions.”