Of course – default Judaism. Of course we were wearing shtraamele and bekeshe at Maamad Har Sinai.
Sure, if you define things superficially, you’ll find very significant differences.
Of course, there was no one in the field to leave leket and peah which are mitzvos deoraiso because everyone was in beis medresh learning.
Now you’re talking about a difference of substance. However, this is a new adaptation, well after the Chasam Sofer, so his point is muddled, at best. This is an adaptation to emerging realities (not the least of which is the army/work issue), and if anything, undermines his point that, according to charedim, “chodosh assur min haTorah” is an absolute dogma.
He is more interested in effective solutions to what he sees as problems than he is in simply making public mockery like his father did. That makes him more dangerous to the status quo than his father ever was.
He does claim so. It’s also very possible that his motivation in taking a less confrontational stance is to be more effective than his father, but that he shares the same goal.