Complex sentence: Jason Damas of "PopMatters" unfavorably compared the song to OutKast's "Spread" while also claiming that Stefani "awkwardly comment (ed) on race relations and as such it's a bit of a buzzkill".
Split into simpler sentences: Jason Damas of "PopMatters" unfavorably compared the song to OutKast's "Spread". Damas also said that Stefani "awkwardly comment (ed) on race relations and as such it's a bit of a buzzkill".