Of course. But did he get information about Pilate wrong? Do you have reason to believe he did? His picture of Pilate is corroborated by Philo as well.
My Dead Guys got stuff wrong. (To explain, "my Dead Guys" are the commentators I use to study the Bible as I go along, because I'm way too lazy to figure out everything that was going on way back when on my own, so they put in the effort for me. They're all dead now, so I call them "my Dead Guys.") Does that mean I don't trust everything they write? Of course not, particularly since history has moved on and we've found more stuff from way back when, some reproving they were right. BUT they also don't always agree with each other either. (Usually do, often get it different ways, but come up with the same conclusions. Sometimes they don't.) So, yeah, my Dead Guys got stuff wrong too.
So, am I trusting them for gospel? No. I trust them enough that I still consider them mine, (as if I own anyone. lol) Likewise, simply because two other Dead Guys agreed on something, it may or may not be right. I trust the Bible as right though, and, oddly enough, not blindly. Someone had to prove to me it's accurate. (Another Dead Guy. lol) That, and, if God can't get what he really meant down right and for eternity, then he's not much of a God, and this whole thing is a big waste of time.
In God I trust. All others are Dead Guys.
Your two guys may well have tried for accuracy, but they didn't hit the mark. The Bible did. The Bible explains it enough for me to believe Pilate, (like Herod and the Sanhedrin) were pawns in Gods plans. Not for their good, but for our good. Ultimately for God's plans and simple being. (God being God.) THAT I trust more than Dead Guys.