Five years ago this week… Australian operator Telstra wrote off over $500 million in its OTT video and analytics technology subsidiary Ooyala, as it was ravaged by the commoditization of video technologies inside cloud technology titans like AWS and Huawei. Ooyala was acquired in 2014 for $270 million, with hundreds of millions of dollars more spent on building it up to push to operators and content giants in Asia, where cheaper suppliers quickly entered the market. While “end-to-end” OTT video technology vendors were once thriving, integral components of this chain, namely workflow components and packaging, were quickly dropping in value. — A disappointing end to the year for Disney saw a 1% fall in the global subscriber base of…