Why is AncestryDNA less accurate than 23andMe?

[repo]

I vaguely remember seeing some comments say AncestryDNA is less accurate for Somalis but why is that? I'm thinking about getting a test kit.

 

[Apollo]

They have fewer Somali reference samples, 23andMe has many more and has much less noise and false positives.

Do not get Ancestry.com's kit. If you do get a genome testing kit, I only recommend 23andMe, no other company.

 

[Prince Abubu]

Also, they don't do y-chromosome DNA or MtDNA, which is dumb. Not sure why anyone would buy from them.

 

[The Somali Caesar]

Ancestry DNA have very limited reference points to Somali in comparison to 23&me. If you take AncestryDNA you’ll get randomly get 30% middle Eastern.