Depends on the org, the big ones I've worked for regular Devs even seniors don't have anything like the level of access to be able to pull a stunt like that.

At the largest place I did have prod creds for everything because sometimes they are necessary and I had the seniority (sometimes you do need them in a "oh crap" scenario).

They where all setup on a second account in my work Mac which had a danger will Robinson wallpaper because I know myself, far far too easy to mentally fat finger when you have two sets of creds.