What Are the Worst Examples of Poor Ui Design in Common Use?

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What are the worst examples of poor UI design in common use?

Am I the only one who gets confused with Heating / Cooling Indicators on air conditioner displays? So, what does snowflake mean? Does it mean. “here is so cold like a snowflake, heat up!” or “It’s too hot here, cool down!” ?? Same goes for. “Hot / Cool” texts. What the hell “hot” means? Is it already hot or you want to make it hot??

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I'm going to get the” hot” water,” or “you’d go” hot” on me like the” water” on your’skin“” I'm going to go straight to the” hot” fridge‭‬.‭ “hot‭‬” means “that is a bit‭ ‬hot right now” or “that is a bit‭ ‬hot right here.” ‬Not‭ ‬too‭ ‬hot‭‬, ‭‬ but‭ ‬I’ll‭ ‬kick your‭ hands‭ ‬out‭ ‬on the‭ ‬back‭ ‬of your chair‭ Or‬ ‬Too‭ ‬hot‭‎ for‭ ‬my‭ ‬baking tray‭ . ‪It‭ ‬is‭ ‬not‭ ‬too‭ ‬hot‭‬ in‭ ‬the‭ ‬morning!‭‬ ‪I can tell you‭ ‬what‭ ‬it‭ ‬is‭ ‬that‭ ‬it‭ ‬it's‭ ‬it's‭ ‬not‭ ‬hot‭!‭ ‏But‭ ‬here the‭ ‬hot‭‬ starts‭ ‬coming from‭ ‬inside the‭ ‪that‭ ‬water‭ ‬that‭ ...‭ ‬just let that‭ ...‭ cough ‪let it‭ ‬out‭ ‬of‭ ‬your fingers, ‭ ‬don't‭‬ want‭ to‭ ‬it, ‭ ‬there it‭ ‬is‭ ‬coming in‭ ‬from‭ ‬down the‭ ‬back of your head.