I agree, but unless you want it blue or perhaps rare the inside needs some heat, no good giving it fiery heat throughout the cooking process in the hope it will end up medium rare, it wont, it will either end up burnt on outside blue/very rare on the inside or just overcooked throughout.
Baste...
To be honest I think anything that we cook in a pan we tend to think we need stir fry everything on the highest heat.
Although searing the steak requires a very hot pan, it doesnt necessarily need to be cooked on the highest heat throughout the cooking time, perhaps unless you like it rare or...
If you need to do the the 'thumb & forefinger pinching' trick to know how your steak is done, then you're doomed, eat a plate of pasta and save yourself some money .......