You are not alone. I find this disrespectful and very irritating. Probably depends on the tempo of your workplace. I am dodging meetings all day long, and when I join one I expect everyone to be prepared and fully focused
Yes, the way I wrote that made it look bad. But I get 5 invitations per work day on average. In Outlook I have the option to Accept, Decline or set as Tentative. If I click Accept on 5 meeting invitations in a work day I will not be able to write a single line of code. So 3 out of 5 meetings I Decline with a message describing why. And yes, my organisation is obsessed with meetings, we are working on that