what they didn't do is act in a respectful manner. if they had questions they should have at the very least waited until the end and waited for their opportunity to ask about any concerns they had, in a orderly manner.
or they should've just left. like these students. they got their message across loud and clear. no shouting, no yelling, no interrupting.
University of Michigan Campus
On October 20 2010, two IDF soldiers came to the University of Michigan campus as part of a national PR campaign by Stand With Us aimed at justifying Israel's recent atrocities in the Middle East. Students, staff, and community members collectively engaged in a silent walk-out in memory and in solidarity with all of the silenced Palestinian children that were killed by the IDF during Israel's most recent offensive on the Gaza Strip who are unable to take a stand and give their account today