Dan Primack, author of Axios Pro RataIllustration: Annelise Capossela/AxiosVista Equity Partners has written off the entire equity value of its investment in tech learning platform Pluralsight, three years after taking it private for $3.5 billion, Axios has learned.Why it matters: This is an example of leverage catching up with a leveraged buyout.One source says that the Utah-based company's financials have improved, with a around 26% EBITDA growth in 2023, but not enough to service nearly $1.3...