it was mostly the ethereum pump and dump that started this rise if i remember the timing correctly after the big pump of ethereum there was a dump which caused all the investors to come back to bitcoin and started this rise.
For the time being, even if we believe in this theroy of ethereum Pump and dump, the thing is that bitcoin price is rising because of this reason or any other reason, We want only the bitcoin price to rise and remain on the high side always. So no matter what is the factor causing it, the imp. thing is that results are achieving.