Billionaire entrepreneur and CEO of Tesla and SpaceX, Elon Musk Voices Disappointment Over Trump’s “Big, Beautiful” Spending Bill and Leaves Government Role. Elon Musk, has publicly voiced strong criticism against President Donald Trump’s latest tax and spending legislation, popularly called the “One Big Beautiful Bill.” Despite Musk’s earlier heavy support for Trump in the 2024 election donating over $250 million his recent comments reveal growing tension between the tech magnate and the administration.