No – clearly you’ve only been around baalebatish chasidishe people, who are no more knowledgeable in halacha than their litvishe counterparts, both of whom know and keep far more than right wing MO, with the exception of those who learned under rabbi shechter and stayed in kollel elyon – they do keep halacha to that extent, and even moreso sometimes.
But chasidishe and litvishe kollelleit are very into chumros. Take a look at one of them, and you’ll see.