Nothing Phone builds a blue bubble iMessage bridge while Google and Apple fight over RCS
(www.androidcentral.com)
That’s like saying they made the lightning port as a protest to USB standards, nah they just want their proprietary shit.
They wanted a new, compact, durable, reversible plug for their mobile devices. There was no industry-standard option that met their requirements, so they made their own. If USB-C had existed at the time, they would have used it (though as a physical connector, Lightning is still just plain better).