I don't think you can presume to know what he expected when he hasn't said what he expected, or to know the effect it's had within a handful of days.

Every sacrafice slowly moves the public opinion needle. There is never a single instance people can point to that instantly changed everyone's mind.

That said, after Aaron Bushnell I doubt self immolation is going to make much of an impact anymore. Direct action such as blocking highways and israeli arms factories are much more effective now.