[flagged]
Short of lighting yourself on fire, you could (1) invite them to use an unused space to sleep, (2) donate your time, money, food, water or other goods, (3) advocate for better solutions on a local, state or nation level, or (4) at least not foment hatred against them.
There is a wide variety of empathetic actions that one could do other than burning yourself or nothing. This directly applies to every social, political or economic issue that Musk has tangled with, but instead he sets it up to convince himself and others that actually there’s nothing he can do and empathy is for losers.