Conspiracists peddle myths, not theories | Letter

It is misleading to suggest that elaborate lies are theories", writes Harriet Friedmann - it's time to change the discourse

I was pleased when the Guardian began to use the phrase global heating" instead of global warming". In the same vein, I ask you to reconsider repeated use of the term conspiracy theory" (Authorities on high alert across US as fears over far-right violence intensify, 12 January).

It is misleading to suggest that elaborate lies are theories". Undergraduate students have occasionally responded to objections to unsupported claims as that's just your theory". Theory is serious.