One thing to note is that X1 points have fairly limited redemption options [1].
There are several cards that offer no annual fee + straight 2% cash back, like PayPal Mastercard, Citi Double Cash, Wells Fargo Active Cash, etc. Also, they tend to have better sign up bonuses ($100-$200) compared to just a few more points.
[1] https://frequentmiler.com/x1-card-too-good-to-be-true-heres-...