Yes it's poor form to say we are restricting 'freedoms' when you sacrificed 76,000 of your elderly and vulnerable for yours. As the quote goes, "Responsibility is the price of Freedom". In a civilised society you have the Freedom to do the right thing, not the Freedom to do anything.
International travel insurance is readily available. Have a look.
I suggest you read the fine print of what's covered in each insurance, Covid ain't new and insurance companies are not suckers, unless it's in reference to them sucking money from your wallet that is.