It is because of snide comments like yours Toi which was made to espouse Sinas Chinom, that tragically we are still in the Churban haBayis for 1943 years & going.
midwesterner: Even if it’s machlokes, it had no point here other than to insult those who keep Yom Ha’Atzmaut. It definitely is not made up – as you said, it’s a machlokes, and there are many Rabbonim who keep it.
Let’s not get into a debate during the 9 days about it.