We hate to be the bearer of bad news for TV programmers gearing up for a record-breaking fortnight of summer Olympics viewership, but expectations among consumers are low – ominously so for companies like Comcast going all-out on Tokyo coverage. But maybe that is exactly why the investments are high and so are the stakes – because this year’s summer games could be a last gasp attempt by the traditional home of major sporting events to prove they can remain relevant. The concern is that, by the time the next Olympics rolls around in four years’ time, many of these players won’t be around to tell the tale, let alone be relevant. After a year of waiting, the world-famous Olympics…