No it's not. The clue is in the name Market Capitalisation. Ie the amount of capital it has raised from the market. It is the value the market has set for the company based on it's share price multiplied by the number of shares issued on the market.
SpaceX needs money to launch rockets. This comes from one of two sources. Profits from business activity OR from selling his own personal shares.
So... He is boosting sales of starlink to make profits so he doesn't have to sell shares.
Well he ain’t making money from most of the people who signed up on here! The hardware will be heavily subsidised @£99. If people freeze their subscription as a fair proportion have or intend to do, he certainly isn’t making profit! Therefore I surmise he’s doing it for different reasons, maybe he is building perceived value, therefore growing the Capital value of his business. Creating value as opposed to just earning