[SpicyLemonZest]

I didn't want to quibble about whether it's fair to call it "lying", but I think the term is misleading you. There's simply no such thing as a business relationship without time estimates. It's not a short term vs. long term or trust vs. distrust tradeoff - unless your business model consists entirely of off-the-shelf purchases, your customers will want estimates about what you'll do in the future and when.