Elon Musk’s purchase and overhaul of Twitter since October has raised big questions about the platform’s future.

“Twitter hasn’t made a profit in the last 9 out of 10 years. His arguments about driving toward profitability read a little hollow.”

Cliff Lampe, professor and associate dean for academic affairs at the University of Michigan’s School of Information, says the company has struggled financially in recent years, seen numerous employees fired, and had many followers leave the platform.

Whether Musk can turn things around for the company is unclear, Lampe says: