Is an oven a Kli Shemelachto Leissur even though people warm their food inside of it. If it is a Kli Shemalchto leissur, isn’t better that one not warm food in it or place his dirty dishes inside of it. Since one shoudln’t move a Klie Shemelachot Leissur if he doesn’t have to.
Thank You so much I greatly appreciate it.
Opening the door is considered moving a kli shemalachto leissur “ltzorach gufo” for a permissible purpose. This type of moving is permissible on Shabbos, and there is no reason to avoid it, even when an alternative is available.