The does Lamar have weapons debate is always interesting. I will say, if he doesn't, it wasn't for lack of trying.
Lamar was the 2nd 1st round pick in 2018, the player taken before him in the draft was TE Haydon Hurst. They took OT Orlando Brown and TE Mark Andrews in the 3rd round of that draft and took a WR in both the 4th and 5th round (neither worked out). In 2019, the Ravens took Hollywood Brown in the 1st round, WR Miles Boykin in the 3rd, and RB Justice Hill in the 4th. They also took G Ben Powers in the 4th (he started every game for them last year). In 2020, they took RB JK Dobbins in the 2nd, WR Devin Duvernay in the 3rd, and WR James Proche in the 6th. In 2021, they took Rashod Bateman in the 1st round and used a 4th rounder on WR Tylan Wallace. In 2022, they took 2 TE's in the 4th round (1 was injured, the other played well).
Hollywood Brown, despite being close friends with Lamar, asked to be traded before his contract was up. Bateman can't stay healthy and Dobbins has struggled with that. Andrews is a monster and Hurst was very good before he left in free agency (for a better opportunity). I mean in the 5 years lamar was there, the Ravens used 2 separate 1st round picks on WR's, one of which has been injured and the other has been good, but wanted out.