Because everyone has a different line and a different length to which they are willing to go, and because the definition can be interpreted differently. There'

Because everyone has a different line and a different length to which they are willing to go, and because the definition can be interpreted differently. There's even a qualifier in your quote, "strict" vegans. I personally would eat (local/trusted) honey even if I were 100% vegan, because to me that makes more sense then not consuming it at all when we very much need bees to stick around, and supporting a local farm cultivating colonies is something possible for me to do, as opposed to taking up beekeeping myself.