I published on this with an article for a definition of biotechnology and ecological risk. The terminology is muddled. Effectively you have biotechnology as an umbrella term that means different things to different people. As my friends here have said, biotechnology can include fermentation and beer-making all the way through to genetic engineering. Clearly those are not the same processes.
Academics have tried to discern them. So you have traditional biotechnology, which includes things like conventional breeding, and then you have modern biotechnology, which would include genetic engineering and other forms of precise gene manipulation using modern scientific techniques.
So within the broad term “biotechnology”, there are sub-domains: that kind of conventional biotechnology and the modern biotechnology.