I was window shopping for an atmos receiver and noticed the manuals and even product design between a certain Onkyo and Pioneer receiver were basically identica

I was window shopping for an atmos receiver and noticed the manuals and even product design between a certain Onkyo and Pioneer receiver were basically identical. The design of the manuals, including the fonts and screenshots were almost identical. The back and front of the units were almost identical. I bet even the guts were identical! Here is the pioneer unit: https://intl.pioneer-audiovisual.com/manuals/docs/SN29403616A_VSX-834_En_190228_web.pdf https://intl.pioneer-audiovisual.com/manuals/docs/SN29403616... Here is the Onkyo unit: https://www.onkyousa.com/wp-content/uploads/2019/08/TX-SR494_En.pdf https://www.onkyousa.com/wp-content/uploads/2019/08/TX-SR494...