Readers weigh in on Roblox, Google, Blue Owl Capital, the challenge of trading less often, tax code changes, Mohamed El-Erian’s criticism of the Fed, and President Trump’s economic wins.

Roblox is an online gaming platform that allows users to create their games and play games made by others. Roblox has an in-game currency, Robux, that players can use to customize their avatars or buy ...