This year, Hasbro rolled out a new line of toys called Yellies. The arachnid-esque “Spooders” are fuzzy, motorized creatures activated by people yelling. The louder kids yell, the faster the Yellies scoot. If this description gives you pause, you aren’t alone. Giving a child a toy that requires yelling — specifically, yelling at increasingly aggressive volumes — seems like a declaration of war against anyone trying to enjoy a quiet, peaceful Christmas. “Who on earth thought inventing this toy would be a good idea?!” Karen Alpert, the writer behind the parenting blog Baby Sideburns, said on Facebook. Others are similarly baffled by why someone would give Yellies as a gift, except as an act of revenge. In a viral Facebook post, one woman described another problem created by Yellies, saying the toy spider began terrorizing her son. “I yelled at it. The spider ran for it,” Hilary Hard wrote. “Leo starts screaming… the louder he screams, the faster the spider pursued him.” Things escalated from there, with the toy backing her son into the corner as he shrieked in terror, Hard said. “So, in short, maybe a little electr...