It was listed on the official wiki for nametags that they do not count towards the mob count (https://minecraft.gamepedia.com/Name_Tag). It does not specify this is not true for Bedrock.
---- Minecraft Crash Report ----
// I feel sad now :(
Time: 02/08/15 22:45
Description: Initializing game
java.lang.NullPointerException: Initializing game
at bnm$a.f(SourceFile:313)
at bnm.<init>(SourceFile:79)
at ave.am(SourceFile:373)
at ave.a(SourceFile:310)
at net.minecraft.client.main.Main.main(SourceFile:124)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Stacktrace:
at bnm$a.f(SourceFile:313)
at bnm.<init>(SourceFile:79)
at ave.am(SourceFile:373)
-- Initialization --
Details:
Stacktrace:
at ave.a(SourceFile:310)
at net.minecraft.client.main.Main.main(SourceFile:124)
-- System Details --
Details:
Minecraft Version: 1.8.8
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 398358328 bytes (379 MB) / 458752000 bytes (437 MB) up to 5726797824 bytes (5461 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx6G
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.8
LWJGL: 2.9.4
OpenGL: GeForce GTX 550 Ti/PCIe/SSE2 GL version 4.5.0 NVIDIA 353.30, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: Sphax PureBDcraft 256x MC16.zip, MORAY.SWIFT.TP.RESOURCE.zip, SC16-64 v26 - Place this in your 'resourcepacks' folder, WITHOUT extracting.zip, Myz_Pack_20131115.zip, revival.2013.07.11.zip
Current Language: ~~ERROR~~ NullPointerException: null
Profiler Position: N/A (disabled)
CPU: 8x Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
4 Skeleton traps at the bottom of my farm (approx. 180 blocks below) that had spawned during a thunderstorm were causing this issue. Killing them restored the 8 count of creepers.