They really must. The trio in Top Gear, Sam/Gene in Life on Mars (and the GENE ♥ SAM reference in Ashes to Ashes), Arthur/Merlin in Merlin, Mitchell/George in Being Human, Sherlock/John in Sherlock, the Doctor invading everyone's personal space in Doctor Who, Torchwood in its entirety; if there isn't homoerotic subtext, it's not a contemporary BBC programme. They so know we're here.