ZDad:
Practical issues of some refugees emigrating to Eretz Yisrael is not the issue. And Jews lived in Eretz Yisrael before Zionism, too, and I am not aware of anybody who claimed it was a problem for them to do so.
The issue is Zionist conquest and intentionally bringing people there en mass which were both terrible violations of those respective oaths pre-1948 and remained just as assur post-1948.
The only change post-1948 for “non-Satmar” was dealing with the State from within to salvage whatever was possible there. As Rabbi Reisman wrote, the oaths did not change.