The Times Have Changed Since Then
A lot of things have since changed. To be fair, it is not like the Queen does not ever fraternize with the public. As a matter of fact, she has made a lot of effort to interact with her constituents in the United Kingdom and overseas ever since she ascended the throne. Still, her interactions are always regulated.
Not As Much As She Used To
Now in her nineties, it is not surprising that Her Majesty does not head out as much as she once did. In fact, most people now see her on the screen instead. In 2020, Queen Elizabeth talked to the public to commemorate the 75th anniversary of V-Day in Europe. She delivers a speech every Christmas Day too.