Elon Musk reacted to a new incentive program by Kia targeting Tesla Inc. (NASDAQ:TSLA) EV owners. What Happened: On Wednesday, Musk commented on a post by Tesla Investor Sawyer Merritt. Merritt shared news about Kia’s new cash incentive aimed at Tesla owners. Merritt’s post was about an incentive being offered by Korean car maker, Kia, which is offering up to $1,500 to Tesla owners who switch to a new Kia EV. Musk responded, “But here’s the rub, Tesla never has to bribe Kia drivers to buy a Tesla …” Tesla, a dominant player for over a decade, has seen its market share fall below 50% for the fi…