What's the use case for using both Plausible and Matomo at the same time? Just pseudo-"A/B" testing for which one is a better fit or are there major feature dif

What's the use case for using both Plausible and Matomo at the same time? Just pseudo-"A/B" testing for which one is a better fit or are there major feature differences where using both is needed? Or just for kicks?