He's going the other route - lower costs. He got rid of the overwhelming majority of staff, moved (or is moving?) the HQ out of San Francisco and California - meaning lower costs + lower tax, and so on. So while revenue has decreased, so have costs. In later 2023 he stated that it was expected for Twitter to be profitable early in 2024. Given there was no follow up announcement I doubt this goal was achieved, but it does suggest that it's probably quite close to being in the black. And that's quite good for a company which was only made profit 2 years in its entire existence.