“and that’s a ton better than the barely observant masses of nationalist jews who wear fabric on their head,”
There are many types within Dati Leumi. While some are not so strict about Halacha, there are many that are Moser Nefesh to keep Halacha (including some who I know personally). It is not fair to label them all together in such a degrotary way.
“Whatever minority opinions there were about a positive view of s state”
If one were to be intellectually honest, it is not fair to call it a minority view. While the Satmar Rebbe, Rav Shach and others viewed the state as totally Treif, many Gedolim viewed the state more positvely or at least in shades of nuance. Rav Isser Zalman Meltzer, Rav Tzvi Pesach Frank, and The Tzitz Eliezer called it Aschalta Digeulah. Rav Dessler considered the state to be “Chasdei Hashem”. The Ponivitzer Rav insisted on having the flag put up on the Yeshivah on YH. Rav Yaakov Kamenetsky, Rav Shlomo Zalman, and Rav Ovadya (as well as many others) all expressed positive things about the state. Rav Yechiel Michel Tichitinsky writes “Now that we Baruch Hashem have Jewish control on our land”. Even Rav Moshe writes ” now that Bichasdei Hahem, Yerushalayim is not under the Reshus of the Umos, theres strong reason not to tear Kriyah (IM, Chelek Hey, Lamid Zayin, Aleph ).
According to Rav Shabtai Rappaport, Rav Moshe’s grandson, Rav Moshe viewed the Medinah positively, but the was antagonistic towards the government since it was anti-religious. He viewed the goverment more positively, when Begin came to power.
You might not view the state positively, but it seems like a distortion to pretend that those who do are just a minority.
“even rav ovadia yosef, who was the only charedi rov to allow halel on 5 iyyar.”
Rav Ovadya was far from the only Chareidi Gadol to allow Hallel on 5 Iyyar. While, the Chareidi Gedolim generally did not say Hallel on Yom Haatzmaut, many of them were quite tolerant of others who did, and did not see anything wrong with it. Just 2 examples:
When Rav Shlomo Zalman was asked about saying Hallel on YH he responded that there are those who say Hallel and those who don’t, and each side has whom to rely on. Additionally, someone witnessed Rav Shlomo Zalman reciting the Perakim of Hallel from a Tehillim on YH (Aschalta Hie, volume 2).
Rav Henkin didn’t encourage saying Hallel, but he told his grandson not to be Moche against those who do, because they have what to rely upon (Aschalta Hi, Volume 2).