Don't think BT Sport were over impressed by Tai's language going by the speed of Steve Brandon's apology or the size of their on-screen apology. Could be damaging the next time the TV contract comes up for negotiation. Also sponsors generally take a dim view of such behaviour. The spitting and one finger actions were also unimpressive. He needs to grow up, he's not a teenager any more.
You could argue that swearing may be excusable in the heat of the moment following a track incident or bad refereeing decision but certainly not in a one to one podium interview with the meeting presenter which is broadcast to a 40,000 live qcrowd and a TV audience.