Ubiq-
Rashi admitted to Rashbam that if he would have more time he would have written a new peirush that focused more on pshuto shel mikra. So Rashi by his own admission is mostly not pshuto shel mikra. Ibn ezra also took a jab at Rashi and said that one out of a thousand of rashi’s peirushim are pshat.
Logician
For goodness sakes, this chumash has rashi kepshuto right opposite the pshuto shel mikra commentary! Also Rashi is often quoted for the pshuto shel mikra commentary. And while it is true that chumash is most commonly studied with Rashi nowadays, in the past there was a whole different school of thought such as that of the geonim and the chachmei sfarad who held that pshuto shel mikra was the ikkar.
Notably absent from this ban is Rav Shmuel Kamenestsky. His father Rav Yaakov zt”l was very into pshuto shel mikra and their commentaries.