Flags at half staff. Are we doing it so often now, that it is losing its meaning?

Lowering the flag to half staff used to be rare – it meant something like unusual respect for a person who had died or been killed.

With all of the terrorist killings and the police killings, it seems like the flag is half-way at least as often as it is at full staff.

I have great respect for the people who have died. Please don’t get me wrong. However, a lowered flag meant something previously, precisely because it was rare. Now that it is so frequent, does it still have the same meaning?