Are smart power strips safe to use with high-draw appliances like space heaters?

Mainstream reviewers and specialist subreddit threads consistently caution against running space heaters, window AC units, or other high-wattage resistive loads through any power strip, smart or otherwise. There is at least one widely circulated Reddit report of a Kasa KP303 failure that nearly caused a house fire, which underscores the general rule: high-draw appliances belong in a wall outlet.