I picked up this Gedmatch kit number on this forum labeled as "From Catanzaro, South Italy: Kit Number: A552689"

Indeed on one to many comparison results the overwhelming majority of names of close matches are obviously Italian surnames.

But....

Here is this kits:
Eurogenes K13 Admixture Proportions


Single Population Sharing:


# Population (source) Distance
1 Ashkenazi 5.1
2 Sephardic_Jewish 5.28
3 Italian_Jewish 5.32
4 South_Italian 5.59
5 East_Sicilian 6.52
6 Algerian_Jewish 6.76
7 Central_Greek 7.64
8 Tunisian_Jewish 8.85
9 West_Sicilian 9.43
10 Italian_Abruzzo 10.01
11 Libyan_Jewish 10.09
12 Cyprian 11.69
13 Greek_Thessaly 13.61
14 Lebanese_Muslim 15.38
15 Tuscan 15.91
16 Syrian 16.87
17 Samaritan 17.7
18 Lebanese_Druze 18.13
19 Lebanese_Christian 18.67
20 Palestinian 18.76

Hum....
Scores Ashkenazi Jewish on #1 Single Population Sharing...

Well now let us see what J-test says on this kit.

Admix Results (sorted):

# Population Percent
1 EAST_MED 29.61
2 WEST_MED 16.2
3 WEST_ASIAN 13.15
4 MIDDLE_EASTERN 11.33
5 ATLANTIC 10.78
6 ASHKENAZI 7.55
7 NORTH-CENTRAL_EURO 6.71
8 SOUTH_BALTIC 4.31
9 EAST_EURO 0.21
10 EAST_AFRICAN 0.15

Single Population Sharing:

# Population (source) Distance
1 South_Italian_&_Sicilian 3.67
2 GR 5.23
3 Tuscan 15.06
4 TR 17.93
5 North_Italian 19.42
6 Assyrian 20.5
7 Samaritan 21.34
8 Armenian 21.37
9 IQ 21.42
10 Mandean 22.11
11 RO 22.67
12 AJ 22.78
13 Druze 23.58
14 Kurdish 24.5
15 Serbian 24.88
16 IR 25.28
17 PT 25.74
18 ES 27.4
19 Moroccan 30.29
20 Algerian 30.3


Oh well guess this individual isn't Jewish....

Let us now see what
Eurogenes EUtest V2 K15 Admixture Proportions

has to say about this kit:

Single Population Sharing:

# Population (source) Distance
1 South_Italian 5.98
2 Sephardic_Jewish 6.01
3 Italian_Jewish 7.31
4 Algerian_Jewish 7.9
5 East_Sicilian 8.01
6 Central_Greek 8.37
7 Tunisian_Jewish 9.08
8 West_Sicilian 9.82
9 Ashkenazi 9.86
10 Italian_Abruzzo 10.15
11 Cyprian 10.99
12 Greek 12.54
13 Libyan_Jewish 13.38
14 Lebanese_Muslim 14.45
15 Greek_Thessaly 14.66
16 Tuscan 15.7
17 Syrian 15.89
18 Samaritan 17.24
19 Turkish 17.88
20 Lebanese_Christian 18.53

Oh goody now this kit morphed into a South Italian and this time it's for realzs...