If they were "pro-Palestinian," they would protest how terribly Lebanon treats its Palestinian "guests."
If they were "pro-Palestinian," they would protest how Egypt doesn't let any Gazans desperate to leave to enter Egypt without paying hefty bribes.
If they were "pro-Palestinian," they would have protested how Syria besieged and starved Palestinians at Yarmouk camp.
If they were "pro-Palestinian," they would protest Palestinian laws that are officially anti-women and anti-gay.
When thousands of Palestinian Arabs were killed during Black September in 1971, there were no crowds protesting at Jordanian embassies.
When hundreds of thousands of Palestinian Arabs were expelled from Kuwait in a single week in 1991, there were no rallies supporting them.
When Hamas and Fatah fought in Gaza in 2007, none of these activists called for a "cease fire."
There has not been a single pro-Palestinian protest since October 7, or even for years beforehand. They are all anti-Israel.
The two are not synonymous.