That article says the big problem was with "old architecture" so it is possible that somebody brave at JLR actually persuaded the Powers That Be that they should invest an hour's time and $10 to do a halfway good job at this and beat the poor state of the art.

Often when the situation is "Most makers are 1/10, but we're 0/10" a small amount of effort can get you to 4/10 and until the attackers up their game you look stellar, even though in reality you're still doing a poor job, everybody else was much worse