PiHole *apparently* works but it is not blocking ads

Your Pi-Hole log shows that domains are being blocked:

   [2020-01-23 16:18:00.602 3846] Imported 4301 queries from the long-term database
   [2020-01-23 16:18:00.602 3846]  -> Total DNS queries: 4301
   [2020-01-23 16:18:00.603 3846]  -> Cached DNS queries: 618
   [2020-01-23 16:18:00.603 3846]  -> Forwarded DNS queries: 2867
   [2020-01-23 16:18:00.603 3846]  -> Exactly blocked DNS queries: 816
   [2020-01-23 16:18:00.603 3846]  -> Unknown DNS queries: 0
   [2020-01-23 16:18:00.603 3846]  -> Unique domains: 571
   [2020-01-23 16:18:00.603 3846]  -> Unique clients: 15
   [2020-01-23 16:18:00.603 3846]  -> Known forward destinations: 3

Where specifically are you seeing ads?