The only explanation that makes sense is that it's intentional shilling and botting.

Many such cases

https://en.m.wikipedia.org/wiki/Public_diplomacy_of_Israel aka “hasbara”

The history of Israeli public diplomacy dates to the early 20th century… Methods employed range from traditional media outreach to digital campaigns, with a focus on shaping foreign public opinion, particularly in the United States, and coordinating with diaspora Zionist organizations to promote a favorable narrative of Israel.… The campaign intended to encourage Israeli citizens to contribute to improving Israel's image by talking with their international contacts about the country.

https://en.m.wikipedia.org/wiki/Act.IL

Act.IL was a social networking service used by supporters of Israel to oppose online "anti-Israel content"

https://en.m.wikipedia.org/wiki/Jewish_Internet_Defense_Force

The Jewish Internet Defense Force (JIDF) was an organization that ran social media campaigns from 2000 to 2014 against websites and Facebook groups that it described as Islamic terrorism or antisemitism.