Yeah, their midband holdings aren't really conducive to deploying meaningful NR channels unless they shrink their existing LTE channels.
AWS: 25+25 MHz
PCS: 25+25 MHz, 5+5 MHz
Deploying a single n66 channel and two n25 channels is messy and doesn't really make sense as only the more recent devices allow for 3x NR CA (even for intra-band CA). Plus, you'd think they'd want to deploy at least a 10MHz channel if they're looking to take some load off the existing n71 channel.