Dr. King would denounce the fallacy that he gave up on Non-Violent Resistance in his final speech given on April 3rd, 1968, in Memphis Tennessee:

“It is no longer a choice between violence and nonviolence in this world; it's nonviolence or nonexistence.”

The next day he was dead. It is one of his greatest speeches. If you have not heard it, please listen to it here, and then re-evaluate your clap: https://www.americanrhetoric.com/speeches/mlkivebeentothemountaintop.htm.