What is tone and what is skill? When theres skill and context(in the video and playing lines like engvay), some of us hear it as tone. When theres no skill, even with the grandest of gear, tone is prolly plain sound, bad ones as well
the amp in picture became the secondary point of focus, which indirectly exhibit characteristic of man playing the guitar as the main subject, who made a bigger difference. The amp, is just a compliment of person playing the guitar, having to offer. Be it mg15 or any other practise amp, it will have the same effect, great tone for some, great playing to some others as well.
*thoughts that swirled around, not targetting at you, you or you, if anyone felt otherwise, good. At least its a chance to have a deeper understanding of yourself, how vulnerable one can be...*