They employ a lot of this strategy (the ads, the 'subscribe to Microsoft 365 today' 'your computer is at risk to ransomware because you aren't paying us for onedrive'). Except the "loss" part. In fact, I think it's rare nowadays to find a "loss" leader, they seem to have settled around at worst "barely profitable" in business. Too many loss leaders had pretty terrible business outcomes, so it seems to be an unpopular thing to expose your business the risk of going negative margin at any significant scale. Like this disaster: https://en.wikipedia.org/wiki/I-Opener