I myself am getting ready for a conference call in about an hour. People work on Sundays regardless of what you (personally) do or don’t do. But if it makes you uncomfortable, you probably should stay home.
You are not making others work on Sundays. They are working of their own free will. The Church does not teach that we cannot enjoy legitimate and wholesome pastimes and entertainment on Sunday. Some people try to impose that on others, but that is not a teaching of the Church.
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