It’s not very clear to me what the exact funding model is, but I don’t think if Jetpack went away it would make a seismic financial dent in WordPress.org.
A lot of that sponsored core development comes straight from Automattic, which gets revenue from WordPress.com, WooCommerce paid services, Tumblr advertising, and Jetpack too.
A lot of that sponsored core development comes straight from Automattic, which gets revenue from WordPress.com, WooCommerce paid services, Tumblr advertising, and Jetpack too.